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 Algebra Help!!!

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Find all values for which the rational expression is underfined.

 

(w-9) / (w^2+8)

 

Select the correct choice below and,if neccessary, fill in the answer box to complete your choice.

 

a. The number(S) for which the rational expression is underfined is/are ____.

b. There are novalues for which the expression is underfined.

 

Thank You :)

 Nov 25, 2015
edited by Guest  Nov 25, 2015

Best Answer 

 #1
avatar+128474 
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w^2 + 8   would have to equal 0  to make this undefined.......however, no positive number added to a square can ever   = 0     [   because the square itself is either 0 or positive]

 

Thus.......no real values of w make this undefined

 

 

cool cool cool

 Nov 25, 2015

1+0 Answers

 #1
avatar+128474 
+10
Best Answer

w^2 + 8   would have to equal 0  to make this undefined.......however, no positive number added to a square can ever   = 0     [   because the square itself is either 0 or positive]

 

Thus.......no real values of w make this undefined

 

 

cool cool cool

CPhill Nov 25, 2015

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